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authorVivek Goyal <vgoyal@redhat.com>2009-12-03 12:59:52 -0500
committerJens Axboe <jens.axboe@oracle.com>2009-12-03 19:28:53 +0100
commitf8d461d692c341add957fb973fb5ee1f62039dc7 (patch)
tree42c6cf987aa4d38b271a60d2b62e92c6c748cd69 /block/cfq-iosched.c
parent24610333d578478d354144ab4709a203684afc5f (diff)
downloadop-kernel-dev-f8d461d692c341add957fb973fb5ee1f62039dc7.zip
op-kernel-dev-f8d461d692c341add957fb973fb5ee1f62039dc7.tar.gz
blkio: Propagate cgroup weight updation to cfq groups
o Propagate blkio cgroup weight updation to associated cfq groups. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/cfq-iosched.c')
-rw-r--r--block/cfq-iosched.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 3d99e45..f736462 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -922,6 +922,12 @@ static inline struct cfq_group *cfqg_of_blkg(struct blkio_group *blkg)
return NULL;
}
+void
+cfq_update_blkio_group_weight(struct blkio_group *blkg, unsigned int weight)
+{
+ cfqg_of_blkg(blkg)->weight = weight;
+}
+
static struct cfq_group *
cfq_find_alloc_cfqg(struct cfq_data *cfqd, struct cgroup *cgroup, int create)
{
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